85485420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6689}}^1$

素因数の和:6775

約数の個数: 72

約数和(自身を含む): 262997280

約数和(自身を除く): 177511860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 6689, 12780, 13378, 20067, 26756, 33445, 40134, 60201, 66890, 80268, 100335, 120402, 133780, 200670, 240804, 301005, 401340, 474919, 602010, 949838, 1204020, 1424757, 1899676, 2374595, 2849514, 4274271, 4749190, 5699028, 7123785, 8548542, 9498380, 14247570, 17097084, 21371355, 28495140, 42742710, 85485420]

約数ペア:

[(1, 85485420), (2, 42742710), (3, 28495140), (4, 21371355), (5, 17097084), (6, 14247570), (9, 9498380), (10, 8548542), (12, 7123785), (15, 5699028), (18, 4749190), (20, 4274271), (30, 2849514), (36, 2374595), (45, 1899676), (60, 1424757), (71, 1204020), (90, 949838), (142, 602010), (180, 474919), (213, 401340), (284, 301005), (355, 240804), (426, 200670), (639, 133780), (710, 120402), (852, 100335), (1065, 80268), (1278, 66890), (1420, 60201), (2130, 40134), (2556, 33445), (3195, 26756), (4260, 20067), (6390, 13378), (6689, 12780)]